1. 1964 Pontiac GTO

The 1964 Pontiac GTO, often hailed as the first true muscle car, was introduced as an option package on the mid-sized Pontiac Tempest LeMans. This package featured a 389 cubic-inch V8 engine, delivering 325 horsepower. Its performance legacy is underscored by its acceleration from 0 to 60 mph in 7.7 seconds and a quarter-mile time of 15.8 seconds at 93 mph. The GTO’s success was evident with 32,450 units sold in its inaugural year. (gm.com)